| | Andover, MA | Greenville, NC | United States |
| Population | 36,323 | 87,815 | 329,725,481 |
| Female Population | 51.6% | 54.8% | 50.5% |
| Male Population | 48.4% | 45.3% | 49.5% |
| Median Age | 42.7 | 26.8 | 38.4 |
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| Population - 2010 | 33,158 | 85,017 | 309,327,143 |
| Population - 2000 | 31,247 | 60,476 | 285,036,114 |
| Population - 1990 | 29,151 | 44,972 | 251,960,433 |
| Pop. 2000 to Now | 17.0% | 56.7% | 15.6% |
| Pop. 1990 to Now | 25.4% | 110.8% | 30.8% |
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| Population Density | 1,177.4 | 2,464.8 | 93.4 |
| Land Area | 30.8 | 35.6 | 3,531,905.4 |
| Water Area | 1.3 | 0.8 | 264,836.8 |
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| Est. Total Population By Age | | | |
| | Andover, MA | Greenville, NC | United States |
| Age 0 to 4 | 5.3% | 5.9% | 5.9% |
| Age 5 to 9 | 6.2% | 5.0% | 6.1% |
| Age 10 to 14 | 6.6% | 5.5% | 6.6% |
| Age 15 to 17 | 5.9% | 3.1% | 3.9% |
| Age 18 to 20 | 3.8% | 12.2% | 4.0% |
| Age 21 to 24 | 4.2% | 14.3% | 5.2% |
| Age 25 to 34 | 7.6% | 15.6% | 13.8% |
| Age 35 to 44 | 13.2% | 11.1% | 12.9% |
| Age 45 to 54 | 16.2% | 9.6% | 12.6% |
| Age 55 to 59 | 7.8% | 3.9% | 6.7% |
| Age 60 to 64 | 8.1% | 4.0% | 6.3% |
| Age 65 to 74 | 9.3% | 6.1% | 9.6% |
| Age 75 to 84 | 4.2% | 2.8% | 4.5% |
| Age 85 and over | 1.4% | 1.0% | 1.9% |
| space1 | | | |
| Race | | | |
| | Andover, MA | Greenville, NC | United States |
| White | 71.0% | 50.8% | 59.4% |
| Black | 1.8% | 39.1% | 12.2% |
| Asian | 16.0% | 2.5% | 5.6% |
| Native American | 0.0% | 0.1% | 0.6% |
| Hawaiian, Pacific Islander | 0.0% | 0.0% | 0.2% |
| Other | 0.6% | 0.3% | 0.4% |
| Two or More Races | 2.5% | 2.9% | 3.2% |
| Hispanic | 8.0% | 4.3% | 18.4% |
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| Marriage & Family | | | |
| | Andover, MA | Greenville, NC | United States |
| Married Population | 62.2% | 31.9% | 49.8% |
| Currently Married | 61.4% | 29.7% | 48.0% |
| Married but Separated | 0.9% | 2.3% | 1.8% |
| Single Population | 37.8% | 68.1% | 50.2% |
| Never Married | 27.1% | 55.0% | 33.8% |
| Divorced | 6.7% | 9.2% | 10.8% |
| Widowed | 4.0% | 3.8% | 5.6% |
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| Household Size | 2.63 | 2.17 | 2.60 |
| Households | 13,235 | 37,507 | 124,010,992 |
| Family Households | 10,086 | 17,769 | 80,755,759 |
| Married couple, w/children | 42.5% | 25.8% | 30.5% |
| Married couple, no children | 43.7% | 31.5% | 42.9% |
| Non Family Households | 3,149 | 19,738 | 43,255,233 |
| Single householder, w/children | 8.0% | 29.1% | 15.8% |
| Single householder, no children | 5.8% | 13.6% | 10.8% |